The climate in the San Jose-Sunnyvale-Santa Clara, CA Metro Area is usually mild, with warm summers and cool winters. Average temperatures range from highs of around 70 degrees Fahrenheit (21°C) in the summer to lows of 45 degrees Fahrenheit (7°C) in the winter. The area experiences nearly 300 days a year of sunshine, and average annual rainfall is about 20 inches (508 mm). Snowfall is rare, but not unheard of. Temperatures can occasionally dip below freezing at night or during winter storms.
San Jose-Sunnyvale-Santa Clara Metro Area, California gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
San Jose-Sunnyvale-Santa Clara Metro Area averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 257 sunny days per year in San Jose-Sunnyvale-Santa Clara Metro Area. The US average is 205 sunny days.
San Jose-Sunnyvale-Santa Clara Metro Area gets some kind of precipitation, on average, 62 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 82 degrees
Winter Low: the January low is 41
Rain: averages 18 inches of rain a year
Snow: averages 0 inches of snow a year